@article{zaldarriaga_2001, 
  title={Nature of theE−Bdecomposition of CMB polarization}, 
  volume={64}, 
  DOI={10.1103/physrevd.64.103001}, 
  number={10}, 
  publisher={American Physical Society (APS)}, 
  author={Zaldarriaga}, 
  year={2001}, 
  month={Oct}
  }